annotate tests/test-simplekeyvaluefile.py @ 50807:8ef9cdffad6a

journal: show that we do not track deletion This was an oversight for the initial implementation.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 21 Jul 2023 15:28:52 +0200
parents 642e31cb55f0
children
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1 import unittest
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2 import silenttestrunner
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3
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4 from mercurial import (
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5 error,
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6 scmutil,
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7 )
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8
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10 class mockfile:
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11 def __init__(self, name, fs):
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12 self.name = name
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13 self.fs = fs
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14
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15 def __enter__(self):
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16 return self
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17
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18 def __exit__(self, *args, **kwargs):
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19 pass
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20
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21 def write(self, text):
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22 self.fs.contents[self.name] = text
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23
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24 def read(self):
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25 return self.fs.contents[self.name]
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28 class mockvfs:
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29 def __init__(self):
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30 self.contents = {}
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31
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32 def read(self, path):
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33 return mockfile(path, self).read()
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34
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35 def readlines(self, path):
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36 # lines need to contain the trailing '\n' to mock the real readlines
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37 return [l for l in mockfile(path, self).read().splitlines(True)]
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38
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39 def __call__(self, path, mode, atomictemp):
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40 return mockfile(path, self)
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41
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42
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43 class testsimplekeyvaluefile(unittest.TestCase):
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44 def setUp(self):
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45 self.vfs = mockvfs()
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46
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47 def testbasicwritingiandreading(self):
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48 dw = {b'key1': b'value1', b'Key2': b'value2'}
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49 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(dw)
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50 self.assertEqual(
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51 sorted(self.vfs.read(b'kvfile').split(b'\n')),
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52 [b'', b'Key2=value2', b'key1=value1'],
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53 )
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54 dr = scmutil.simplekeyvaluefile(self.vfs, b'kvfile').read()
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55 self.assertEqual(dr, dw)
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56
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57 if not getattr(unittest.TestCase, 'assertRaisesRegex', False):
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58 # Python 3.7 deprecates the regex*p* version, but 2.7 lacks
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59 # the regex version.
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60 assertRaisesRegex = ( # camelcase-required
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61 unittest.TestCase.assertRaisesRegexp
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62 )
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63
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64 def testinvalidkeys(self):
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65 d = {b'0key1': b'value1', b'Key2': b'value2'}
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66 with self.assertRaisesRegex(
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67 error.ProgrammingError, 'keys must start with a letter.*'
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68 ):
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69 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d)
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70
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71 d = {b'key1@': b'value1', b'Key2': b'value2'}
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72 with self.assertRaisesRegex(error.ProgrammingError, 'invalid key.*'):
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73 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d)
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74
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75 def testinvalidvalues(self):
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76 d = {b'key1': b'value1', b'Key2': b'value2\n'}
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77 with self.assertRaisesRegex(error.ProgrammingError, 'invalid val.*'):
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78 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d)
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79
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80 def testcorruptedfile(self):
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81 self.vfs.contents[b'badfile'] = b'ababagalamaga\n'
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82 with self.assertRaisesRegex(
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83 error.CorruptedState, 'dictionary.*element.*'
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84 ):
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85 scmutil.simplekeyvaluefile(self.vfs, b'badfile').read()
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86
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87 def testfirstline(self):
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88 dw = {b'key1': b'value1'}
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89 scmutil.simplekeyvaluefile(self.vfs, b'fl').write(dw, firstline=b'1.0')
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90 self.assertEqual(self.vfs.read(b'fl'), b'1.0\nkey1=value1\n')
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91 dr = scmutil.simplekeyvaluefile(self.vfs, b'fl').read(
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92 firstlinenonkeyval=True
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93 )
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94 self.assertEqual(dr, {b'__firstline': b'1.0', b'key1': b'value1'})
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95
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96
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97 if __name__ == "__main__":
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98 silenttestrunner.main(__name__)